| 5295568 |
Passenger conveyor and treadboard construction for passenger conveyor |
Chuichi Saito, Kazuhira Ojima |
1994-03-22 |
| 5025896 |
Elevator control apparatus |
Noboru Arabori, Hideaki Takahashi, Yoshio Sakai, Masakatsu Tanaka, Tatsuhiko Takahashi +3 more |
1991-06-25 |
| 4982815 |
Elevator apparatus |
Noboru Arabori, Hideaki Takahashi, Yoshio Sakai, Tsutomu Sano, Masakatsu Tanaka +3 more |
1991-01-08 |
| 4884182 |
Current source power converting apparatus with overvoltage protection |
Takeki Ando, Kiyoshi Nakamura, Toshisuke Mine, Hiromi Inaba, Toshiaki Kurosawa +1 more |
1989-11-28 |
| 4779709 |
Apparatus for controlling AC elevators |
Nobuo Mitsui, Yoshio Sakai, Mitsuyuki Honbu, Shigeta Ueda, Seiya Shima +5 more |
1988-10-25 |
| 4367811 |
Elevator control system |
Kenji Yoneda, Kazuhiro Sakata, Takeo Yuminaka, Tomiaki Kurihara, Soshiro Kuzunuki +1 more |
1983-01-11 |
| 4350225 |
Elevator control system |
Kazuhiro Sakata, Takeo Yuminaka, Kenji Yoneda, Soshiro Kuzunuki, Yasunori Katayama |
1982-09-21 |
| 4330838 |
Elevator test operation apparatus |
Kenji Yoneda, Takeo Yuminaka, Kazuhiro Sakata, Soshiro Kuzunuki |
1982-05-18 |
| 4266632 |
Elevator system |
Kanji Yoneda, Takeo Yuminaka |
1981-05-12 |